Pith Number

pith:WBSW4NXY

pith:2014:WBSW4NXYQOBH45IK5J7AYGVYMF

not attested not anchored not stored refs pending

On a quartic equation and two families of hyperquadratic continued fractions in power series fields

Alain Lasjaunias, Khalil Ayadi

arxiv:1412.0388 v1 · 2014-12-01 · math.NT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WBSW4NXYQOBH45IK5J7AYGVYMF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:01:02.096357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0656e36f883827e750aea7e0c1ab86164c074a6ab2ac6f2148a3b9dc73b0c59

Aliases

arxiv: 1412.0388 · arxiv_version: 1412.0388v1 · doi: 10.48550/arxiv.1412.0388 · pith_short_12: WBSW4NXYQOBH · pith_short_16: WBSW4NXYQOBH45IK · pith_short_8: WBSW4NXY

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/WBSW4NXYQOBH45IK5J7AYGVYMF \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b0656e36f883827e750aea7e0c1ab86164c074a6ab2ac6f2148a3b9dc73b0c59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2782b45f2ce8e6c553406eb94f3c3edd3e6b9877fed557d82b05276183ef41e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-12-01T09:18:51Z",
    "title_canon_sha256": "6787593814f7d4657baec812384a0f8230a8dcc422a15307762216e03fb3cd38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.0388",
    "kind": "arxiv",
    "version": 1
  }
}